protected void CheckRecords()
{
_checked = true;
Assert.AreEqual(_keptRecords.Length, _dbResult.Db.Manager.ChunksCount, "Wrong chunks count.");
for (int i = 0; i < _keptRecords.Length; ++i)
{
var chunk = _dbResult.Db.Manager.GetChunk(i);
var chunkRecords = new List <LogRecord>();
RecordReadResult result = chunk.TryReadFirst();
while (result.Success)
{
chunkRecords.Add(result.LogRecord);
result = chunk.TryReadClosestForward((int)result.NextPosition);
}
Assert.AreEqual(_keptRecords[i].Length, chunkRecords.Count, "Wrong number of records in chunk #{0}", i);
for (int j = 0; j < _keptRecords[i].Length; ++j)
{
Assert.AreEqual(_keptRecords[i][j], chunkRecords[j], "Wrong log record #{0} read from chunk #{1}", j, i);
}
}
}
public void sequencial_read_returns_no_records()
{
var records = new List <LogRecord>();
RecordReadResult res = _scavengedChunk.TryReadFirst();
while (res.Success)
{
records.Add(res.LogRecord);
res = _scavengedChunk.TryReadClosestForward((int)res.NextPosition);
}
Assert.AreEqual(0, records.Count);
}
public void should_change_expected_version_to_deleted_event_number_when_reading()
{
var chunk = Db.Manager.GetChunk(0);
var chunkRecords = new List <LogRecord>();
RecordReadResult result = chunk.TryReadFirst();
while (result.Success)
{
chunkRecords.Add(result.LogRecord);
result = chunk.TryReadClosestForward(result.NextPosition);
}
Assert.That(chunkRecords.Any(x => x.RecordType == LogRecordType.Commit && ((CommitLogRecord)x).FirstEventNumber == long.MaxValue));
Assert.That(chunkRecords.Any(x => x.RecordType == LogRecordType.Prepare && ((PrepareLogRecord)x).ExpectedVersion == long.MaxValue - 1));
}
public void the_log_records_are_still_version_0()
{
var chunk = Db.Manager.GetChunk(0);
var chunkRecords = new List <LogRecord>();
RecordReadResult result = chunk.TryReadFirst();
while (result.Success)
{
chunkRecords.Add(result.LogRecord);
result = chunk.TryReadClosestForward(result.NextPosition);
}
Assert.IsTrue(chunkRecords.All(x => x.Version == LogRecordVersion.LogRecordV0));
Assert.AreEqual(10, chunkRecords.Count);
}
private static PrepareLogRecord ReadPrepareInternal(TFReaderLease reader, long logPosition)
{
RecordReadResult result = reader.TryReadAt(logPosition);
if (!result.Success)
{
return(null);
}
if (result.LogRecord.RecordType != LogRecordType.Prepare)
{
throw new Exception(string.Format("Incorrect type of log record {0}, expected Prepare record.",
result.LogRecord.RecordType));
}
return((PrepareLogRecord)result.LogRecord);
}
private static Tuple <string, bool> ReadEntry(TFReaderLease reader, long position)
{
RecordReadResult result = reader.TryReadAt(position);
if (!result.Success)
{
return(new Tuple <string, bool>(String.Empty, false));
}
if (result.LogRecord.RecordType != TransactionLog.LogRecords.LogRecordType.Prepare)
{
throw new Exception(string.Format("Incorrect type of log record {0}, expected Prepare record.",
result.LogRecord.RecordType));
}
return(new Tuple <string, bool>(((TransactionLog.LogRecords.PrepareLogRecord)result.LogRecord).EventStreamId, true));
}
public void the_log_records_are_unchanged_in_second_chunk()
{
var chunk = Db.Manager.GetChunk(1);
var chunkRecords = new List <ILogRecord>();
RecordReadResult result = chunk.TryReadFirst();
while (result.Success)
{
chunkRecords.Add(result.LogRecord);
result = chunk.TryReadClosestForward(result.NextPosition);
}
Assert.AreEqual(2, chunkRecords.Count);
}
public void should_have_updated_deleted_stream_event_number()
{
var chunk = Db.Manager.GetChunk(0);
var chunkRecords = new List <LogRecord>();
RecordReadResult result = chunk.TryReadFirst();
while (result.Success)
{
chunkRecords.Add(result.LogRecord);
result = chunk.TryReadClosestForward(result.NextPosition);
}
var deletedRecord = (PrepareLogRecord)chunkRecords.First(x => x.RecordType == LogRecordType.Prepare &&
((PrepareLogRecord)x).EventStreamId == _deletedEventStreamId);
Assert.AreEqual(EventNumber.DeletedStream - 1, deletedRecord.ExpectedVersion);
}
public void should_have_updated_deleted_stream_event_number()
{
var chunk = Db.Manager.GetChunk(0);
var chunkRecords = new List <ILogRecord>();
RecordReadResult result = chunk.TryReadFirst();
while (result.Success)
{
chunkRecords.Add(result.LogRecord);
result = chunk.TryReadClosestForward(result.NextPosition);
}
_streamNameIndex.GetOrAddId(_deletedEventStreamId, out var id, out _, out _);
var deletedRecord = (IPrepareLogRecord <TStreamId>)chunkRecords.First(
x => x.RecordType == LogRecordType.Prepare &&
EqualityComparer <TStreamId> .Default.Equals(((IPrepareLogRecord <TStreamId>)x).EventStreamId, id));
Assert.AreEqual(EventNumber.DeletedStream - 1, deletedRecord.ExpectedVersion);
}
public void sequencial_read_returns_no_records()
{
var records = new List <ILogRecord>();
RecordReadResult res = _scavengedChunk.TryReadFirst();
while (res.Success)
{
records.Add(res.LogRecord);
res = _scavengedChunk.TryReadClosestForward((int)res.NextPosition);
}
if (LogFormatHelper <TLogFormat, TStreamId> .IsV2)
{
Assert.AreEqual(0, records.Count);
}
else
{
Assert.AreEqual(1, records.Count);
}
}
